HR4724

HR4724 is a variable giant star in the constellation of Centaurus.

HR4724 visual magnitude is 5.73. Because of its reltive faintness, HR4724 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR4724:

Color of HR4724 ⬤

Magnitude of HR4724 5.73

Class Giant

VISIBILITY RIGHT NOW HR4724 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR4724

HR4724 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4724 are provided in the following table:

Right Ascension J2000 12h 25m 21s

Declination J2000 -35° 11’ 11”

Galactic Longitude 296.93°

Galactic Latitude 27.38°

Constellation Centaurus

The simplified sky map below shows the position of HR4724 in the sky:

Simplified finder chart for HR4724.

Visibility of HR4724 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR4724 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 125.2° RISE 19:10

Max altitude: 3.3° TRANSIT 21:00

Azimuth: 234.8° SET 22:50

RIGHT NOW HR4724 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4724

The image below is a photograph of HR4724 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR4724 is -0.034 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR4724. The red arrow shows the motion of HR4724 during the next 10000 years (-5.67 arcmin in Right Ascension and -1.00 arcmin in declination);

Distance of HR4724 from the Sun and relative movement

HR4724 is distant 420.10 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

Distance (parsec) 128.87 pc

Distance (light year) 420.10 ly

Heliocentric radial velocity -11 km/s

Proper Motion RA -0.034 arcsec/year

Proper Motion Dec -0.006 arcsec/year

Spectral properties of HR4724

HR4724 belongs to spectral class B9 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.18

Spectral Type B9III

Color Index (B-V) -0.06

Temperature of HR4724 10941K

The red dot in the diagram below shows where HR4724 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4724. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4724

Henry Draper Catalogue HD108114

SAO Catalogue SAO203450

Hipparcos Catalogue HIP60610

Durchmusterung Catalogue CD-34 8146

General Catalogue of Variable Stars 5610

In Evidence

Other stars in Centaurus